In addition, if milk is heated for example during pasteurization the MFGM is damaged and fat aggregates in larger clumps
That being said, some people who have taken injectable vitamin B12 have complained of difficulty walking and balancing, nervousness, anxiety, weakness, lack of coordination, and even a sensation of pins and needles, per SFGate
Can B12 injections boost metabolism and fat burn
A few people notice temporary soreness at the injection site or mild flushing that fades quickly
There is insufficient evidence for the use of B12, beyond correction of deficiency, in cognitive impairment, depression and fatigue
Regular B12 shots can play a huge part in improving your mood